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Apple’s first beta of OS X 10.8.3 quietly added support for the AMD Radeon HD 7000 series of graphics cards, hinting that they could possibly be featured in the company’s redesigned Mac Pro desktops. The support for the AMD Radeon HD 7XXX series was first discovered by the folks at Netkas.org this week, shortly after the launch of the first beta of OS X 10.8.3.

Specifically, the Mac operating system supports the Radeon HD 7900 series, codenamed “Tahiti,” which includes both the Radeon HD 7970 and 7950. Each of the aforementioned cards features 3 gigabytes of GDDR5 memory with a 28-nanometer chip manufacturing process. The cards are the first products to feature AMD’s “Graphics Core Next” computer architecture.

The support for the dedicated desktop graphic card series could signal that AMD’s latest GPUs may possibly be headed for an updated Mac Pro. Apple’s computer tower was quietly updated in June with a speed bump featuring a two-year-old Intel Xeon E5645 chip. After users expressed frustration over the update, Apple Chief Executive Tim Cook quickly confirmed that the company was amidst an overhaul of the Mac Pro, indicating that the updated desktop would be released sometime in 2013.